galpy.orbit.Orbit.vy¶
- Orbit.vy(*args, **kwargs)[source]¶
NAME:
vy
PURPOSE:
return y velocity at time t
INPUT:
t - (optional) time at which to get the velocity
vo= (Object-wide default) physical scale for velocities to use to convert
use_physical= use to override Object-wide default for using a physical scale for output
OUTPUT:
vy(t) [*input_shape,nt]
HISTORY:
2019-02-20 - Written - Bovy (UofT)